<nav class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-ex1-collapse">
        <!-- <span class="navbar-brand"></span> -->
      </button>
      <a href="javascript:;">在线竞拍</a>
    </div>
    <div class="collapse navbar-collapse navbar-ex1-collapse">
      <ul class="nav navbar-nav">
        <li><a href="javascript:;">关于我们</a></li>
        <li><a href="javascript:;">联系我们</a></li>
        <li><a href="javascript:;">网站地图</a></li>
      </ul>
    </div>
  </div>
</nav>
